Velcroman1 writes: Every second in your body, thousands of tiny isotopes are bursting with radioactive decay. And, all around you, imperceptible gamma rays explode in a brilliant but invisible lightshow. And they've just formed a live band. Yes, you read that correctly. But it's all for science: The Radioactive Orchestra 2.0 is part of a Swedish project to help us understand how low-energy radiation works, by showing the energy patterns of nuclear isotopes. Swedish musician Kristofer Hagbard conceived of the orchestra about a year ago and released an album last spring, but the new 2.0 version of "the band" allows him to perform live in front of an audience. “This can be looked at as a piano for high energy photons, so every detection gives us a note,” Hagbard said. “The musical instrument is as good as the gamma spectrometer we are using.”